/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2015 by Simon Schneegans
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see .
/////////////////////////////////////////////////////////////////////////
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A list displaying all available Action types and ActionGroup types.
/////////////////////////////////////////////////////////////////////////
class SliceTypeList : Gtk.TreeView {
/////////////////////////////////////////////////////////////////////
/// This signal gets emitted when the user selects a new Type.
/////////////////////////////////////////////////////////////////////
public signal void on_select(string id, string icon_name);
/////////////////////////////////////////////////////////////////////
/// The listore which staroes all types internally.
/////////////////////////////////////////////////////////////////////
private Gtk.ListStore data;
private enum DataPos {ICON, ICON_NAME, NAME, ID}
/////////////////////////////////////////////////////////////////////
/// C'tor, constructs the Widget.
/////////////////////////////////////////////////////////////////////
public SliceTypeList() {
GLib.Object();
this.data = new Gtk.ListStore(4, typeof(Gdk.Pixbuf),
typeof(string),
typeof(string),
typeof(string));
this.data.set_sort_column_id(2, Gtk.SortType.ASCENDING);
base.set_model(this.data);
base.set_headers_visible(true);
base.set_grid_lines(Gtk.TreeViewGridLines.NONE);
this.set_fixed_height_mode(true);
var main_column = new Gtk.TreeViewColumn();
main_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED);
main_column.title = _("Slice types");
var icon_render = new Gtk.CellRendererPixbuf();
main_column.pack_start(icon_render, false);
var name_render = new Gtk.CellRendererText();
name_render.xpad = 6;
main_column.pack_start(name_render, true);
base.append_column(main_column);
main_column.add_attribute(icon_render, "pixbuf", DataPos.ICON);
main_column.add_attribute(name_render, "markup", DataPos.NAME);
this.get_selection().changed.connect(() => {
Gtk.TreeIter active;
if (this.get_selection().get_selected(null, out active)) {
string id = "";
string icon = "";
this.data.get(active, DataPos.ID, out id);
this.data.get(active, DataPos.ICON_NAME, out icon);
this.on_select(id, icon);
}
});
reload_all();
}
/////////////////////////////////////////////////////////////////////
/// Loads a registered actions and action groups.
/////////////////////////////////////////////////////////////////////
public void reload_all() {
Gtk.TreeIter active;
string current_id = "";
if (this.get_selection().get_selected(null, out active))
this.data.get(active, DataPos.ID, out current_id);
data.clear();
foreach (var action_type in ActionRegistry.types) {
var description = ActionRegistry.descriptions[action_type];
Gtk.TreeIter current;
data.append(out current);
var icon = new Icon(description.icon, 36);
data.set(current, DataPos.ICON, icon.to_pixbuf());
data.set(current, DataPos.ICON_NAME, description.icon);
data.set(current, DataPos.NAME, GLib.Markup.escape_text(description.name) + "\n"
+ "" + GLib.Markup.escape_text(description.description) + "");
data.set(current, DataPos.ID, description.id);
}
foreach (var group_type in GroupRegistry.types) {
var description = GroupRegistry.descriptions[group_type];
Gtk.TreeIter current;
data.append(out current);
var icon = new Icon(description.icon, 36);
data.set(current, DataPos.ICON, icon.to_pixbuf());
data.set(current, DataPos.ICON_NAME, description.icon);
data.set(current, DataPos.NAME, GLib.Markup.escape_text(description.name) + "\n"
+ "" + GLib.Markup.escape_text(description.description) + "");
data.set(current, DataPos.ID, description.id);
}
select_first();
select(current_id);
}
/////////////////////////////////////////////////////////////////////
/// Selects the first type in the list.
/////////////////////////////////////////////////////////////////////
public void select_first() {
Gtk.TreeIter active;
if(this.data.get_iter_first(out active) ) {
this.get_selection().select_iter(active);
string id = "";
string icon = "";
this.data.get(active, DataPos.ID, out id);
this.data.get(active, DataPos.ICON_NAME, out icon);
this.on_select(id, icon);
} else {
this.on_select("", "stock_unknown");
}
}
/////////////////////////////////////////////////////////////////////
/// Select the given slice type.
/////////////////////////////////////////////////////////////////////
public void select(string id) {
this.data.foreach((model, path, iter) => {
string pie_id;
this.data.get(iter, DataPos.ID, out pie_id);
if (id == pie_id) {
this.get_selection().select_iter(iter);
string icon = "";
this.data.get(iter, DataPos.ICON_NAME, out icon);
this.on_select(pie_id, icon);
this.scroll_to_cell(path, null, true, 0.5f, 0.5f);
this.has_focus = true;
return true;
}
return false;
});
}
}
}